{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1396251913",
    "entityType": "Track",
    "nonce": "0xac2bcae0eb1f5f742bb725e9ac762eb617f1aa9f87f01e50bfe56e744124094d",
    "signature": "0xaf912011117af1c2717ddff7e14ef3685c9778be90cce8a127a737f7e6cac5f74d77fcb63d6f23e4c037085dede34bbbc9fae386128877d055cc21b8cbdbc6eb1b",
    "signer": "0xddd857d1C30d7daA440677DFfdfB982c2013E513",
    "userId": "916942654"
  }
}